Air conditioner indoor unit and method of assembling the same

Abstract

The present invention provides an indoor unit of an air conditioner in which a heat exchanger can be easily installed and a method of assembling an indoor unit of an air conditioner. The indoor unit of the air conditioner includes a cross flow fan, an indoor heat exchanger, and a lower casing. The indoor heat exchanger has an approximate inverted V-shape in cross-section, auxiliary lines in which refrigerant flows that are connected thereto, and is disposed so as to cover the upper portion of the cross flow fan. The lower casing supports the cross flow fan. Then, each portion of the support unit is positioned at the height of the apex of the ventilation fan or lower.

1 . An indoor unit of an air conditioner, comprising: 
 a ventilation fan;    a heat exchanger having an approximate inverted V-shape in cross-section, lines in which refrigerant flows that are connected thereto, and which is disposed so as to cover the upper portion of the ventilation fan; and    a support unit that supports the ventilation fan;    wherein each portion of the support unit is positioned at a height of an apex of the ventilation fan or lower.    
   
   
       2 . The indoor unit of the air conditioner disclosed in  claim 1 , wherein the heat exchanger is disposed so as to cover front, upper and rear portions of the ventilation fan.  
   
   
       3 . The indoor unit of the air conditioner disclosed in  claim 1 , wherein the heat exchanger is installed on the support unit on which the ventilation fan has already been installed.  
   
   
       4 . The indoor unit of the air conditioner disclosed in  claim 3 , further comprising: 
 an electrical component box that accommodates electrical components, and which is supported by the support unit so as to be at the height of the apex of the ventilation fan or lower; and    wherein the electrical component box is installed on the support unit.    
   
   
       5 . The indoor unit of the air conditioner disclosed in  claim 4 , wherein 
 the ventilation fan has a cylindrical shape, and is disposed so that a central axis thereof is horizontal; and    the indoor unit further comprises a drive device that rotatively drives the ventilation fan, and is disposed on the same axis as the ventilation fan;    wherein the electrical component box is disposed so that strong electrical components from amongst the electrical components are lined up in the axial direction with the drive device.    
   
   
       6 . The indoor unit of the air conditioner disclosed in  claim 4 , further comprising: 
 a drive device that rotatively drives the ventilation fan;    wherein the support unit supports the ventilation fan, the electrical component box, and the drive device from below when viewed from the front of the support unit, and the lower surface of the support unit is formed to be flat.    
   
   
       7 . A method of assembling an indoor unit of an air conditioner, comprising: 
 a first step in which a ventilation fan is installed on a support unit in which each portion of the support unit are positioned at a height of an apex of the ventilation fan or lower when the ventilation fan is supported thereon;    after the first step, a second step in which a heat exchanger connected to lines in which refrigerant flows is installed so as to cover an upper portion of the ventilation fan; and    after the second step, a third step in which a back surface member that covers a back surface of the heat exchanger and forms a back surface side air flow path is installed.